php文件删除实现方法
unlink() 函数删除文件。
若成功,则返回 true,失败则返回 false。
语法
unlink(filename,context)
参数 描述
filename 必需。规定要删除的文件。
context 可选。规定文件句柄的环境。Context 是可修改流的行为的一套选项。
$file_delete = "home/meeta/my.php";
if (unlink($file_delete)) {
echo "The file was deleted successfully.", "n";
} else {
echo "The specified file could not be deleted. Please try again.", "n";
}
?>下面加了判断文件是否存在
$myfile = "./test1.txt";
if (file_exists($myfile)) {
$result=unlink ($myfile);
echo $result;
}
?>
file_exists() 函数检查文件或目录是否存在。
如果指定的文件或目录存在则返回 true,否则返回 false。
语法
file_exists(path)

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